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03-20-2009, 03:37 PM
EL RICHARDO

Quote:

Originally Posted by NapalmV5

^ may i suggest fixed resistor @ ocp mod? ;) (10k resistor)

core/shader not so much but mem is the one mostly/greatly affected by the ocp mod

@ inzer890 your welcome :toast:

I tuned down to 11K and it was the same... I removed the OCP mod and did the vGPU mod and i'm getting GOOD results!!! Thank's crotale!!! :)
03-20-2009, 03:46 PM
NapalmV5

10k fixed resistor not vr
03-20-2009, 03:55 PM
EL RICHARDO

1 (maybe silly) question... If later on i want to sell my card do i need to solder again the resistor from the vGPU mod?
03-20-2009, 04:08 PM
NapalmV5

no just follow/do step 1 of my vmod guide
03-20-2009, 04:15 PM
EL RICHARDO

Quote:

Originally Posted by NapalmV5

no just follow/do step 1 of my vmod guide

Why? The card don't work without the resistor?
03-20-2009, 04:21 PM
NapalmV5

works without resistor but you have to solder/connect the two naked points :)
03-21-2009, 09:37 AM
EL RICHARDO

Quote:

Originally Posted by NapalmV5

works without resistor but you have to solder/connect the two naked points :)

Thanks! :) After all i am getting GREAT results from the OCP mod... In 3DMark 06 i was getting instant black screens with my current clocks 756c/1692s/1404m... Now they are GONE! :clap:

EDIT: When the 100K VR is soldered it measures between leg 2 and 3 with max resistance 21.3K ohms... Is this right?
04-09-2009, 11:42 PM
chispy

Im glad this tread still here , its a whole lot of great info found here and nowhere else ,keep up the good work guys.

chispy.
04-25-2009, 02:54 PM
KingK76

How low OCP on the VR?

Hey guys, I have done The vGPU and OCP mods and I am getting great results (837core, 1836shader, 1404mem - benching. 826core, 1836shader, 1377mem - gaming). The question I have is this. With the OCP mod I used a 225K ohm VR and tuned it down to 100K ohm, I then tuned the VR down to 75Kohm and everything seems to be fine. Now I see you guys talking about 18K ohm and 15 K ohm, are you talking about the VR or the SMR your effecting on the board. It's just that if I can reduce my temps and maybe get a little more MHz out of my memory (like has been reported) it would be nice(my cards memory clocks like :banana::banana::banana::banana: compared to other 285's), I just don't want to fry my card. Just so you know my card reads 1.36v vGPU under load and it's water cooled. Thanks.
04-27-2009, 07:38 PM
fusionmkx

I was wondering if anyone knows if the Palit GTX285 2GB PCB is based on the nvidia reference design? I am thinking of getting one, modding and using a full-face waterblock, but if their custom PWM-fan heatsink design differs from Nvidia's reference holes, that that would be a problem with aftermarket cooling. Can anyone enlighten me?

http://www.techpowerup.com/86189/Pal...GB_Memory.html
04-27-2009, 10:26 PM
crio

Pretty interesting,i like it.
As soon as my new resistors arrive i 'll try some of the these mods....
04-28-2009, 07:09 AM
annihilus

Quote:

Originally Posted by fusionmkx

I was wondering if anyone knows if the Palit GTX285 2GB PCB is based on the nvidia reference design? I am thinking of getting one, modding and using a full-face waterblock, but if their custom PWM-fan heatsink design differs from Nvidia's reference holes, that that would be a problem with aftermarket cooling. Can anyone enlighten me?

http://www.techpowerup.com/86189/Pal...GB_Memory.html

It uses an accelero xtreme gtx280 cooler, it has the same mountingholes as the reference gtx285
05-02-2009, 12:59 PM
scottc19

Anybody know when ocp hits? If I do steps #1 and #2 will hit ocp
05-03-2009, 01:08 AM
NapalmV5

ocp hits even @ default vgpu/vmem

indeed it hits step 1-3

@ air/water cooling that is

Quote:

Originally Posted by crotale

OCP is definitely set tight on the GTX285. One reason for it triggering earlier on air/water compared to subzero is that lower temperature -> less leakage -> less amps through the silicon.
05-03-2009, 04:52 AM
DeathTyrant

Quote:

Originally Posted by annihilus

It uses an accelero xtreme gtx280 cooler, it has the same mountingholes as the reference gtx285

Actually it uses a slightly different design, not the Accelero one. It has just two fans, and is a two slot card.
http://img178.imageshack.us/img178/2378/1001357.th.jpg http://img178.imageshack.us/img178/2518/1001358n.th.jpg
05-04-2009, 05:15 PM
ikjadoon

Quick question.....is there a voltage difference between the vanilla GTX 285 and the SC edition? SC is actually cheaper right now @ the Egg, eVGA at least.

~Ibrahim~
05-04-2009, 05:37 PM
chispy

Quote:

Originally Posted by ikjadoon

Quick question.....is there a voltage difference between the vanilla GTX 285 and the SC edition? SC is actually cheaper right now @ the Egg, eVGA at least.

~Ibrahim~

No difference.
05-05-2009, 07:43 AM
ikjadoon

Meh...But the volts on the FTW edition are definitely different, right?

So, in your opinion, if I didn't mod the voltage myself: is $25 worth going from Superclocked to FTW, identical bundle, etc.? SC is clocked at 675/1548/2538 and FTW is 702/1584/2646.

I'm sure the SC can reach FTW speeds, but can the FTW reach even higher speeds? It's all guesswork, I know, I'm just wondering what you guys think I should do.

~Ibrahim~
05-05-2009, 11:43 AM
gpvecchi

Hallo everybody, I'm new here...
I made vmod N°1 (3 bridges) on my vanilla; now I can reach FTW clocks on my Asus, but memories give artifacts as temperature raises (at about 80° with stock cooler and 100% fan). Another question: if FTW differs just for jumpers, why can't get same voltages with modding?
Thank you everybody!
05-05-2009, 11:54 AM
chispy

Quote:

Originally Posted by ikjadoon

Meh...But the volts on the FTW edition are definitely different, right?

So, in your opinion, if I didn't mod the voltage myself: is $25 worth going from Superclocked to FTW, identical bundle, etc.? SC is clocked at 675/1548/2538 and FTW is 702/1584/2646.

I'm sure the SC can reach FTW speeds, but can the FTW reach even higher speeds? It's all guesswork, I know, I'm just wondering what you guys think I should do.

~Ibrahim~

Just buy a vanilla GTX 285 , OC it with no v.mods , you will reach FTW speeds in no time most likely. The same vanilla can be v.moded with this simple mods posted here and it will anihilite the FTW overclocks ;) , save your money and get a vanilla , my best overclocker its a vanilla eVGA GTX 285 it does 904core 1800shaders and 1410memory on LN2 on 1.26v , on stock cooling it is stable up until 785/1684/1410 on water 810/1704/1410 , its your call and your desision.

chispy.
05-05-2009, 01:53 PM
Hondacity

if the sc is cheaper, i'd go for the sc, my sc unmodded can go as high as 830mhz on water :)
05-05-2009, 02:08 PM
ikjadoon

Nice...

Well, I'll be honest, I'm probably not taking it any further than the stock cooling, lol and I'm too much of a pansy to kill eVGA's beautiful warranty to volt-mod it. Decisions, decisions.

Thanks for the opinions, though. I think I'll go for the SC, though. I'll OC the crap out of it and I have 4x120's in the side of the case; hopefully, some of it will help! :DThanks, again!

~Ibrahim~
05-06-2009, 02:50 PM
dmelsie

nice tip... having 50 mhz more
05-14-2009, 04:07 AM
Amurtigress

Gainward GTX275

Hello,

I just purchased the Gainward GTX 275 card, whose layout looks exactly like the bigger brother GTX285 in this shot:

http://xtreview.com/addcomment-id-80...e-GTX-285.html

The card uses a RT8841 chip on the front side, next to the digital audio input.

Any solder mods for this card type, or other overvolting solutions?

The chip is actually one for controlling the voltage of AMD and Intel CPUs, using Voltage ID pins...

http://ceemic.pri.ee/hardware/datasheets/RT8841.pdf
05-14-2009, 05:00 AM
trueg50

Quote:

Originally Posted by Hondacity

if the sc is cheaper, i'd go for the sc, my sc unmodded can go as high as 830mhz on water :)

Very nice.

I am very pleased with my SSC, while the core can only do maybe 755 mhz, the memory can go to 1525mhz!

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